CN202006082U - Circulating atomization desulphurization dust collector - Google Patents
Circulating atomization desulphurization dust collector Download PDFInfo
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- CN202006082U CN202006082U CN2011200524456U CN201120052445U CN202006082U CN 202006082 U CN202006082 U CN 202006082U CN 2011200524456 U CN2011200524456 U CN 2011200524456U CN 201120052445 U CN201120052445 U CN 201120052445U CN 202006082 U CN202006082 U CN 202006082U
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Abstract
The utility model relates to a circulating atomization desulphurization dust collector, belonging to environment-friendly equipment. The circulating atomization desulphurization dust collector comprises a tower body. A flue gas inlet and a flue gas outlet are arranged on the tower body. At least a circulating atomization device, a dust collection water spray device, a desulphurization alkali liquor spray device and a cyclone demisting device are arranged in a tower. The circulating atomization desulphurization dust collector is characterized in that a rotary spray device is arranged in the inner chamber of the tower body, the rotary spray device comprises a motor, the motor is connected with a speed reducer, the speed reducer is connected with a flexible driving shaft, the flexible driving shaft is connected with a rotary spray nozzle and the rotary spray nozzle is sheathed on a water inlet pipe through a sliding bearing. When liquid enters a circulating accelerating pipe and flue gas passes through the circulating accelerating pipe at high speed, gas flows support the liquid, the liquid is thrown into an absorbing area in a desulphurization tower and finally the liquid is atomized. Therefore, the utilization ratio of absorbing liquid is maximized, the ratio of liquid to gas can reach 16L/m<3> to 18L/m<3>, and dust collection efficiency can satisfy emission standards that smoke dust emission concentration is less than 50mg/m<3> and sulfur dioxide emission concentration is less than 150mg/m<3>.
Description
Technical field
The utility model belongs to the environment protection equipment field, is specifically related to a kind of circulation atomizing desulfurizing dust-collector.
Background technology
The wet type desulfurizing dust collector of present domestic use mainly contains gallet water curtain dust collector, gravity spray washer, centrifugal scrubber, plate column washer, Venturi scrubber etc.The patent No. is to disclose a kind of " wet-type rotational flow desulfurizing dust-collector " in 200420087254.3, it comprises gas approach, lower shell, upper shell, column plate group, grey water out, exhanst gas outlet, and this deduster also comprises one-level water distribution system, secondary water distribution system, three grades of water distribution systems; Described gas approach is positioned at a side of lower shell bottom; Described one-level water distribution system is arranged in the gas approach; Described upper shell is seated on the lower shell; Described column plate group last simplified in; Described secondary water distribution system is positioned at the top of lower shell; Described three grades of water distribution systems are positioned at upper shell; Described grey water out is in the bottom of lower shell one side; Described exhanst gas outlet is seated in the top of upper shell.Described column plate group is made up of column plate, perforate on the column plate, and percent opening is 25～50%, and the aperture is φ 8～φ 20mm, and the quantity of column plate is greater than 1.Described column plate is whole or is spliced.Described one-level water distribution system by shower nozzle be connected water pipe and form; Described shower nozzle is positioned at gas approach, is connected on the gas approach by connecting water pipe; Shower nozzle is divided into spray down and goes up two kinds of sprays, and mutually to spray, the quantity of following spray shower nozzle and last spray shower nozzle is respectively more than or equal to one.Described secondary water distribution system is drawn together two row's shower nozzles; The top of described shower nozzle in lower shell is connected on the lower shell by connecting water pipe, and it is divided into spray down and goes up two kinds of sprays, and the quantity of following spray shower nozzle and last spray shower nozzle is respectively more than or equal to one.Described three grades of water distribution systems comprise water distributor and water distributing pore; Described water distributor is a water pipe, is connected on the upper shell; Described water distributing pore is opened on the water distributor in upper shell in upper shell, and its quantity is greater than one.
The wet type desulfurizing dust collector operation principle that this patent provides: the flue gas that this wet type desulfurizing dust collector is discharged by boiler or stove is by the gas approach of desulfurizing dust-collector, contain the alkali lye body by import water distribution system spray, remove oarse-grained dirt and part sulfur dioxide, and reduced gas temperature; Flue gas after the first grade desulfurizing dedusting enters lower shell, big grit in the flue gas is captured under the effect of alkali lye spray, sulfur dioxide and alkali lye carry out neutralization reaction, and reactant and remove the ash discharging hole discharge of dirt down by the lower shell bottom carries out the secondary desulfurization and dedusting; Through the flue gas behind twice dust-removal and desulfurizing, upwards enter the column plate group by lower shell, column plate is a splicing construction, be convenient to install, forming the gas-liquid boiling bed with converging on the column plate by the akaline liquid under three grades of water distribution systems, flue gas is fully contacted on column plate with akaline liquid, makes most of tiny grit and SO in the flue gas
2Further captured and removed, carried out three grades of desulfurization and dedustings; Through the flue gas behind above-mentioned three grades of desulfurization and dedustings by exhanst gas outlet enter custom-designed high-efficiency dehydration demister remove in the flue gas with water smoke after, enter chimney by air-introduced machine.
Above-mentioned patent is through practice test, and its desulfurization, efficiency of dust collection do not reach smoke dust discharge concentration less than 50mg/m
3, sulfur dioxide emissioning concentration is less than 150mg/m
3Discharge standard.
Summary of the invention
The utility model aims to provide has higher liquid-gas ratio, and desulfurization, efficiency of dust collection can reach smoke dust discharge concentration less than 50mg/m
3, sulfur dioxide emissioning concentration is less than 150mg/m
3A kind of circulation atomizing desulfurizing dust-collector of discharge standard.
The utility model comprises tower body, tower body is provided with gas approach, exhanst gas outlet, at least be provided with a cover circulation atomising device in the tower, the dedusting water spray system, desulfurization alkali lye spray equipment, the vortex-flow and defrosting device, it is characterized in that the tower body inner chamber is provided with rotary spraying device, rotary spraying device comprises motor, the motor connection reducer, decelerator connects driving snake, driving snake connects rotary nozzle, rotary nozzle is enclosed within on the water inlet pipe by sliding bearing, described circulation atomising device is arranged to be fixed together by several circulation accelerating tubes and several overflow pipes and is constituted, several circulation accelerating tubes and several overflow pipes are fixed together by concrete, be provided with reinforcing bar in the concrete, the circulation accelerating tube comprises body, and an end of body is tubaeform, body is smoothly transitted into tubaeform, overflow pipe is the circulation accelerating tube to be inverted come, and described vortex-flow and defrosting device comprises the vortex-flow and defrosting device, and several vortex-flow and defrosting devices are arranged in parallel and are fixed together.The vortex-flow and defrosting device comprises cylindrical housings, the external diameter of cylindrical housings and the ratio of length are 1/2 ~ 1/7, housing is made of outer wall and inner chamber, one end of housing is a conical tube, the inwall of conical tube is provided with blocker plate, the awl tip of conical tube is provided with the delivery port that diameter is 5 ~ 50mm, the housing of contiguous conical tube is provided with rectangular air inlet, the length of air inlet and wide ratio are 1/2 ~ 1/10, the inwall of air inlet outside inwall and cylindrical tube is tangent, the length of air inlet account for cylindrical housings length 1/2 ~ 1/8, the circular cone of conical tube the axle and bus between angle be 30 the degree ~ 75 the degree.
Described circulation atomising device can be provided with one-level circulation atomising device, secondary circulation atomising device.
The tube wall of described circulation accelerating tube is provided with 1 ~ 2 round, and its aperture is 5-50mm, the 1st round and the dislocation of the 2nd round.
The tubaeform oral area position of described circulation accelerating tube be embedded in the concrete and with concrete setting together.
The ratio that number is set of described overflow pipe and circulation accelerating tube is 1:5 ~ 1:500.
Described dedusting water spray system is for evenly being provided with several nozzles on water service pipe.If spray equipment is installed in the below of circulation atomising device, the water of its ejection, a part directly is sprayed onto the bottom surface of circulation atomising device, and the circulation atomising device is washed, a part is carried with flue gas and is passed the circulation accelerating tube, and circulation accelerating tube inwall is played flushing action; If spray equipment is installed in the top of circulation atomising device, the water of its ejection is sprayed on the circulation atomising device equably; If spray equipment is installed in the below of vortex-flow and defrosting device, nozzle up, be generally intermittently starting, be used to wash the vortex-flow and defrosting device, the water of spray equipment ejection, a part directly is sprayed onto the vortex-flow and defrosting tube outer surface, its outer surface is washed, another part carries with flue gas and enters in the vortex-flow and defrosting pipe, along the inwall rotational flow, the vortex-flow and defrosting inside pipe wall is played flushing action.Rotary spraying device be installed in the vortex-flow and defrosting device above, the rotation of the water of ejection flows in the vortex-flow and defrosting pipe after being sprinkled upon the upper surface of vortex-flow and defrosting device, along the inwall rotational flow vortex-flow and defrosting inside pipe wall is played flushing action with flue gas.
Operation principle of the present utility model is: liquid is by the upper surface of the circulation atomising device in the pipeline input tower body (being also referred to as the atomizing floral disc), flow in the pipe of circulation accelerating tube, flue gas is with higher speed during by the circulation accelerating tube, air-flow is lived the liquid supporting, and upwards throw to the interior uptake zone of desulfurizing tower, liquid is atomized.The drop of certain particle diameter of desulfurizing tower uptake zone is under the buoyancy function of the gravity and the flue gas that makes progress, be suspended in aerial, the drop of greater particle size is under the effect of gravity, again fall back on the circulation atomising device, flow into once more in the circulation accelerating tube, blown afloat again, so continuously circulation, make the utilization rate of absorption liquid reach maximum (fully having elongated the time that fog contacts with flue gas that absorbs in the uptake zone), make that liquid-gas ratio can reach 16～18L/m in the uptake zone
3
Along with the liquid of importing tower body increases, the height that is distributed in the liquid level of circulation atomising device (being also referred to as the atomizing floral disc) surpasses the height of overflow pipe gradually, and liquid is flowed out by overflow pipe.
Tangentially enter into vortex-flow and defrosting device inner chamber by the vortex-flow and defrosting device air inlet of vortex-flow and defrosting device and rotate through the smog (flue gas in the uptake zone is carrying droplet) of atomizing along inwall, form eddy flow, grit in the smog, drop are under action of centrifugal force, be thrown toward the inwall of vortex-flow and defrosting device, and under the effect of gravity, flow into conical tube, discharge by discharge outlet.Flue gas after being purified is being rotated rising and is being discharged from exhaust outlet, thereby reaches the purpose of gas-water separation, and blocker plate can be slowed down the rotary water current that flows in the conical tube, thereby fast water is discharged from discharge outlet.
Through detecting, desulfurization of the present utility model, efficiency of dust collection can reach smoke dust discharge concentration less than 50mg/m
3, sulfur dioxide emissioning concentration is less than 150mg/m
3Discharge standard.
Description of drawings:
Fig. 1 is the structure chart (broken section among the figure) of the utility model embodiment one.
Among the figure, 1, gas approach, 2, the spray irrigation device, 3, one-level circulation atomising device, 4, the dedusting water spray system, 5, secondary circulation atomising device, 6, desulfurization alkali lye spray equipment, 7, the spray irrigation device, 8, the vortex-flow and defrosting device, 9, tower body, 10, exhanst gas outlet, 11, the desulfurization waste liquor outlet, 12, dedusting waste liquid outlet, 13, one-level circulation atomising device overflow pipe, 14, secondary circulation atomising device overflow pipe, 15, rotary spraying device, 16, the rotary spraying device water inlet pipe.
Fig. 2 is the structure chart (Fig. 1 amplifies relatively) of rotary spraying device 15 among the utility model embodiment one.
Among the figure, 17, inlet channel, 18, the U-shaped pipe clamp, 19, sliding bearing, 20, rotary nozzle, 21, driving snake, 22, decelerator, 23, support, 24, shaft coupling, 25, motor.
Fig. 3 is the structure chart (broken section among the figure) of the utility model embodiment two.
Among the figure, 45, tower body, 46, the spray irrigation device, 47, the circulation atomising device, 48, the spray irrigation device, 49, the vortex-flow and defrosting device, 50, rotary spraying device.
Fig. 4 is the front view of the vortex-flow and defrosting device of vortex-flow and defrosting device 49 among the utility model embodiment one.
Fig. 5 be Fig. 4 along A-A to cutaway view.
Fig. 6 is the vertical view of Fig. 4.
Among the figure: 26, cylindrical tube, 27, the blow vent perimeter wall, 28, delivery port, 29, air inlet, 30, saddle is installed, 31, blocker plate.
Fig. 7 is the local amplification assumption diagram of one-level circulation atomising device 3 among the utility model embodiment one.
Fig. 8 is the axial cutaway view (Fig. 1 amplifies relatively) of circulation accelerating tube 34 among the utility model embodiment one.
Fig. 9 be Fig. 8 along A-A to cutaway view.
Figure 10 is the local amplification assumption diagram of secondary circulation atomising device 5 among the utility model embodiment one.
Figure 11 is the amplification assumption diagram of the circulation accelerating tube 41 of secondary circulation atomising device 5 among the utility model embodiment one.
Figure 12 be Figure 11 along B-B to cutaway view.
Figure 13 is the local amplification assumption diagram of vortex-flow and defrosting device 49 among the utility model embodiment one.
Among the figure: 32, floral disc, 33, reinforcing bar, 34, the circulation accelerating tube, 35, tank, 36, overflow pipe, 37, cylindrical tube, 38, the limbers, 39, tubaeform mouthful, 40, floral disc, 41, circulation accelerating tube, 42, overflow pipe 43, truncated cone-shaped tube, 44, collar tie beam, 45, surperficial closed material.
The specific embodiment:
Embodiment one: Fig. 1, Fig. 2, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, shown in Figure 13, present embodiment comprises tower body 9, tower body 9 is provided with gas approach 1, exhanst gas outlet 10, be provided with one-level circulation atomising device 3 in the tower, the below of one-level circulation atomising device 3 is provided with spray equipment 2, the nozzle alignment one-level circulation atomising device 3(of spray equipment 2 is upwards), the water of ejection is used to wash one-level circulation atomising device 3.The top of one-level circulation atomising device 3 is the one-level uptake zone, is provided with dedusting water spray system 4 in the one-level uptake zone, and the nozzle of dedusting water spray system 4 is downwards to the pseudo-first-order uptake zone.The top of dedusting water spray system 4 is provided with secondary circulation atomising device 5, and the top of secondary circulation atomising device 5 is the secondary uptake zone, is provided with desulfurization alkali lye spray equipment 6 in the secondary uptake zone.The direction of the nozzle of desulfurization alkali lye spray equipment 6 down.The top of desulfurization alkali lye spray equipment 6 is provided with spray irrigation device 7, and being directed upwardly of the nozzle of spray irrigation device 7 is used to wash the vortex-flow and defrosting device.The top of spray irrigation device 7 spray irrigation devices 7 is provided with vortex-flow and defrosting device 8, and the top of vortex-flow and defrosting device 8 is provided with rotary spraying device 15.
Described rotary spraying device 15 comprises motor 25, motor 25 connection reducers 22, decelerator 22 connects driving snake 21, and driving snake 21 connects rotary nozzle 20, rotary nozzle 20 is enclosed within on the water inlet pipe 17 by sliding bearing 19, and the profile of rotary nozzle 20 is fan-shaped.The water of Fan spray head ejection evenly is sprayed onto the upper surface of demister, is flow in the demist pipe by demist pipe exhanst gas outlet, under the drive of rotation flue gas, rotates in the demist pipe, and the mist pipe inwall is played flushing action.
Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, shown in Figure 12, one-level circulation atomising device 3 is to be arranged to be fixed together by several circulation accelerating tubes 34 and 1 overflow pipe 36 to constitute, several circulation accelerating tubes 34 and 1 overflow pipe 36 are fixed together by concrete, are provided with reinforcing bar 33 in the concrete; Secondary circulation atomising device 5 is to be arranged to be fixed together by several circulation accelerating tubes 41 and 1 overflow pipe 42 to constitute, and several circulation accelerating tubes 41 and 1 overflow pipe 42 are fixed together by concrete, are provided with reinforcing bar in the concrete.Circulation accelerating tube 34 comprises body, and an end of body is tubaeform, and body is smoothly transitted into tubaeform, and overflow pipe 36 is circulation accelerating tube 34 to be inverted come.The body height of circulation accelerating tube 41 is higher than the body height of circulation accelerating tube 34, and overflow pipe 42 is circulation accelerating tube 41 to be inverted come.
Fig. 4, Fig. 5, Fig. 6, shown in Figure 13, described vortex-flow and defrosting device 49 comprises the vortex-flow and defrosting device, several vortex-flow and defrosting devices are arranged in parallel and are fixed together and are fixed together by collar tie beam 44 and crossbeam and tower body 9.The vortex-flow and defrosting device comprises cylindrical tube 26, the external diameter of cylindrical tube 26 and the ratio of length are 1/5, cylindrical tube 26 is made of outer wall and inner chamber, one end of cylindrical tube 26 is a conical tube, the inwall of conical tube is provided with blocker plate 31, the awl tip of divergent-cone wall 26 is provided with delivery port 28, the cylindrical tube 26 of contiguous conical tube is provided with rectangular air inlet 29, the length of air inlet 29 and wide ratio are 1/5, the inwall of air inlet 29 outside inwalls and cylindrical tube is tangent, the length of air inlet 29 account for cylindrical housings length 1/5, the circular cone of conical tube the axle and bus between angle be 40 the degree.
Embodiment two: shown in Figure 3, what present embodiment and embodiment one were different is, only is provided with one-level circulation atomising device, and secondary circulation atomising device is not set, and other structure is identical with embodiment one.
Claims (4)
1. circulation atomizing desulfurizing dust-collector, comprise tower body, tower body is provided with gas approach, exhanst gas outlet, at least be provided with a cover circulation atomising device in the tower, the dedusting water spray system, desulfurization alkali lye spray equipment, the vortex-flow and defrosting device, it is characterized in that the tower body inner chamber is provided with rotary spraying device, rotary spraying device comprises motor, the motor connection reducer, decelerator connects driving snake, driving snake connects rotary nozzle, rotary nozzle is enclosed within on the water inlet pipe by sliding bearing, described circulation atomising device is arranged to be fixed together by several circulation accelerating tubes and several overflow pipes and is constituted, and several circulation accelerating tubes and several overflow pipes are fixed together by concrete, are provided with reinforcing bar in the concrete, the circulation accelerating tube comprises body, one end of body is tubaeform, and body is smoothly transitted into tubaeform, and overflow pipe is the circulation accelerating tube to be inverted come, described vortex-flow and defrosting device comprises the vortex-flow and defrosting device, and several vortex-flow and defrosting devices are arranged in parallel and are fixed together; The vortex-flow and defrosting device comprises cylindrical housings, the external diameter of cylindrical housings and the ratio of length are 1/2 ~ 1/7, housing is made of outer wall and inner chamber, one end of housing is a conical tube, the inwall of conical tube is provided with blocker plate, the awl tip of conical tube is provided with the delivery port that diameter is 5 ~ 50mm, the housing of contiguous conical tube is provided with rectangular air inlet, the length of air inlet and wide ratio are 1/2 ~ 1/10, the inwall of air inlet outside inwall and cylindrical tube is tangent, the length of air inlet account for cylindrical housings length 1/2 ~ 1/8, the circular cone of conical tube the axle and bus between angle be 30 the degree ~ 75 the degree.
2. a kind of circulation atomizing desulfurizing dust-collector according to claim 1 is characterized in that described circulation atomising device is provided with one-level circulation atomising device, secondary circulation atomising device.
3. a kind of circulation atomizing desulfurizing dust-collector according to claim 2 is characterized in that the tube wall of described circulation accelerating tube is provided with 1 ~ 2 round, and its aperture is 5-50mm, the 1st round and the dislocation of the 2nd round.
4. a kind of circulation atomizing desulfurizing dust-collector according to claim 2 is characterized in that the ratio that number is set of described overflow pipe and circulation accelerating tube is 1:5 ~ 1:500.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200524456U CN202006082U (en) | 2011-03-02 | 2011-03-02 | Circulating atomization desulphurization dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200524456U CN202006082U (en) | 2011-03-02 | 2011-03-02 | Circulating atomization desulphurization dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN202006082U true CN202006082U (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200524456U Expired - Fee Related CN202006082U (en) | 2011-03-02 | 2011-03-02 | Circulating atomization desulphurization dust collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404590A (en) * | 2018-04-28 | 2018-08-17 | 重庆凯年食品有限公司 | Cured product fumigation purifier |
| CN112391210A (en) * | 2020-11-17 | 2021-02-23 | 滨州中科催化技术有限公司 | Coke oven gas purification system |
-
2011
- 2011-03-02 CN CN2011200524456U patent/CN202006082U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404590A (en) * | 2018-04-28 | 2018-08-17 | 重庆凯年食品有限公司 | Cured product fumigation purifier |
| CN112391210A (en) * | 2020-11-17 | 2021-02-23 | 滨州中科催化技术有限公司 | Coke oven gas purification system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20160302 |